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The Making of an Expedition Bike

Sola SL ready for bikepacking

When Zand told us he was packing as light as possible, we didn’t think he meant to carry a hundred pounds of bike and gear. Skis, ski boots, poles, avalanche gear, camping equipment, cooking utensils, cameras, and other odds and ends apparently add up pretty quickly. Once the trip began, Zand reported that the total outfit weighed in at almost exactly one hundred pounds. Not bad, if you’re going downhill, but something about circumnavigating the Altai Mountains suggested there would be some uphill too.

rider getting fitted

Every tube that makes up his Expat S, and every other Seven as well, is carefully selected and tailored based on the rider and how they mean to use their bike. Zand’s bike was unique because it was designed around three total extremes; the giant size of the frame, the massive amount of gear it would haul, and the intricate details required to handle the rigorous conditions of the Altai. Each Seven is unique, but to have three far out requirements made for an especially fun project.

Zand is a tall guy, and lean. His Seven stands like a mammoth next to most bikes, but the 29″ wheels make it look proportional. Normally someone will take a completed bike for a spin to check their handiwork first hand, but the saddle height on Zand’s Expat S was far above what any of us was comfortable straddling. We left the test ride to Zand himself, and the big fella made the bike look great, a perfect fit.

Selecting the tube set for this frame was a challenge. As we said, Zand is tall and strong, but slim. If we were designing him a road bike, he might prefer the cushy road feel of smaller diameter tubes. But on an expedition bike, set to carry a huge load, a smaller diameter tubeset would likely bend and flex too much, making for an inefficient ride. To ensure this bike would ride well under weight, we used larger diameter tubes which flex less, adding to the frame’s stability.

Seven on a long dirt road

Designing a bike to fit a tall rider, and making sure it was sturdy enough to carry all of the required provisions proved to be manageable, but how could we design a bike for the unknown trail ahead?

Adjustability.

As an example, we discussed what tires he thought he’d use. The surfaces that he knew he would ride on were paved roads, unpaved roads, destroyed roads, dirt trails, and each of those covered in snow as well. Much of the route was unknown however, so we started with 40mm knobbies, but left room for a two inch tire, just in case. We chose straight gauge tubes, not that butted tubes aren’t strong, but the thick walls of a straight gauge tube will provide that much more impact resistance in the case of a crash. Descending unknown mountain roads in variable conditions suggested crashing was a possibility. Rack and fender mounts were obvious additions, as was a chain hanger to ease repairs, and the low mount disc brake that helps keep each of these areas free of frame clutter.

At this point, just 230kn to the finish, Zand’s trip, and his Expat S have seen their fair share of adventure, and challenges. But both continue to impress. Best of luck on the final push, Zand!
Seven on the expedition

Five Rides In

The log that crosses the service road, moments from the start, had stopped my progress each of the four previous rides. As had the challenge of the first hill. I could make it to the top, but was panting and wheezing so heavily at the peak that I couldn’t partake in the jump that came soon after. Everyone else made that jump look awesome.

Riding in the woods
John Lewis launches off the first jump of the day.

The final hurdle, before crossing the street into Rock Meadow, is a line of jagged rocks that runs right through the trail and looks imposing.

Riding in the woods
Mike Salvatore clears the rock wall with the greatest of ease.

I gave only a halfhearted effort before putting a foot down. So scared I was. Throughout each of those rides, there were a number of obstacles that gave me trouble, slowed me down, or stopped me altogether.

 

I learned, or rather relearned, little things, important things, every thing, basic stuff like when you ride over rocks and roots, even small ones, your butt gets bucked off the saddle, so it’s best to hover even if you’re tired. You have to lean over the front wheel on steep climbs to avoid the wheel lifting off the ground. If there is a rider in front of you, give them time and space to clear technical sections. On really steep downhills, it helps to get way off the back of the bike, behind your saddle, for extra control. Pull up on the bars when you ride over a drop. No matter how thirsty you are, your water bottle is useless until you are stopped. Trees are everywhere and have surprisingly little give.

Around every corner was another reminder of a lesson I once knew.

Five rides in, however, and there have been improvements. I made it over the log. There was enough left in the tank to get an inch or two of air off the jump.

Riding in the woods
That’s me! Progress.

Brimming with confidence, I gave a wholehearted effort, and made it over the line of rocks. They didn’t seem so jagged this time. In Rock Meadow, I continued to do better, and took a huge step forward. I started relaxing on the bike. The difference is amazing. My grip on the bar loosened. I squeezed the brake levers less, which opened me up to a little rhythm through the twists and turns.

Riding in the woods
Twisting and turning.

Best of all, I could stop focusing on myself, and start paying attention to the sites and sounds of the ride, and joking with my friends. I still have a ways to go, and endless areas to improve upon, but it’s great to be on the trail to once again considering myself a mountain biker.

 

Seven at the Paris-Roubaix Challenge

Seven on display

When we walked into Cyclefit in Covent Garden, London last week, we were greeted by this filthy Axiom SL. Closer inspection revealed it had been ridden by resident physiotherapist and fit analyst Morgan Lloyd in April’s Paris-Roubaix Challenge, a ride that takes in all of the cobbled sections of the pro race along the 170km route.

Morgan hadn’t cleaned the bike. He was keeping all that dust and grime as a sort of trophy.

He reported that the bike performed superbly with no mechanicals or punctures. He also said, “I could not wish for a better bike, everything felt solid and it gave me the confidence to ride the sections hard despite it being my first time on pave. The frame absorbed some of the vibration protecting me a little from the punishing terrain and when I got my technique and line right I felt as if I was flying along! Is there a better frame for this event or a better test for a bike?! Brilliant.”

We are, of course, grateful to him for bringing us along.

My Hillary Step

At the end of the parking lot, past the Vietnam Veterans Memorial Park soccer fields and beyond the gate, a narrow dirt path divides in two. One goes right, around the hill, and through a grassy field before disappearing from view. Locals prefer starting the ride on the trail to the left. A short steep ascent of the ridge takes you to the best trails in the quickest fashion. This particular trail is rocky, but passable for experienced riders, at least until the very top. If there was a Hillary Step at the Tyler Mill Recreation Area, this would surely be it.

The crux is narrow, and no more than a short patch of trail, but it features exposed roots and bedrock shiny from years of use, that refuse to give tires any purchase. The approach is steep already, but this section is perfectly vertical and requires the front wheel to be lifted up and over. A single tree on the left won’t allow for more than one bike through at a time, but does provide something to hold onto should you veer too far left, and over the edge. Above the trail is too wooded to offer an alternative route. There is no line to choose, no new approach, you either have what it takes that day or you don’t.

Adding to the difficulty is the complete lack of rhythm and increased heart rate that comes from starting off a ride with an immediate, technical climb. Of course, this is all just background noise and may not occur to you at that moment, but what does, is that everyone behind will be forced to walk up should you spin out, effectively plugging the trail. The pressure is high. Sometimes no one makes it. The few that do are rewarded with a flawless trip to the summit, and a moment to bask in their own sweet glory, as they watch the rest struggle to achieve the same. The only solace in getting caught behind the bottleneck is listening to the good-natured heckling of the poor soul who had to put a foot down, and knowing you won’t have to face the same shame. Not this time at least.

I haven’t ridden at Tyler Mill since I lived at home many years ago, but that step has taunted me ever since.

This spring I plan to bring my bike back home, and give it another try. I may not have the unabashed courage I had as a kid, but I will have a bike that fits perfectly and was designed to excel on the very trails I described to the design team, trails just like Tyler Mill. I’ll have loads of new technology to help as well, but the biggest help of all, might be the twenty-year-old monkey on my back, prodding me all the way up.

Wish me luck.

Sola SL